1 /****************************************************************************** 2 * 3 * Name: acgcc.h - GCC specific defines, etc. 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #ifndef __ACGCC_H__ 45 #define __ACGCC_H__ 46 47 #define ACPI_INLINE __inline__ 48 49 /* Function name is used for debug output. Non-ANSI, compiler-dependent */ 50 51 #define ACPI_GET_FUNCTION_NAME __func__ 52 53 /* 54 * This macro is used to tag functions as "printf-like" because 55 * some compilers (like GCC) can catch printf format string problems. 56 */ 57 #define ACPI_PRINTF_LIKE(c) __attribute__ ((__format__ (__printf__, c, c+1))) 58 59 /* 60 * Some compilers complain about unused variables. Sometimes we don't want to 61 * use all the variables (for example, _AcpiModuleName). This allows us 62 * to tell the compiler warning in a per-variable manner that a variable 63 * is unused. 64 */ 65 #define ACPI_UNUSED_VAR __attribute__ ((unused)) 66 67 /* 68 * Some versions of gcc implement strchr() with a buggy macro. So, 69 * undef it here. Prevents error messages of this form (usually from the 70 * file getopt.c): 71 * 72 * error: logical '&&' with non-zero constant will always evaluate as true 73 */ 74 #ifdef strchr 75 #undef strchr 76 #endif 77 78 /* GCC supports __VA_ARGS__ in macros */ 79 80 #define COMPILER_VA_MACRO 1 81 82 #endif /* __ACGCC_H__ */ 83